EP3040176B1 - Installation de fabrication - Google Patents

Installation de fabrication Download PDF

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Publication number
EP3040176B1
EP3040176B1 EP15197503.4A EP15197503A EP3040176B1 EP 3040176 B1 EP3040176 B1 EP 3040176B1 EP 15197503 A EP15197503 A EP 15197503A EP 3040176 B1 EP3040176 B1 EP 3040176B1
Authority
EP
European Patent Office
Prior art keywords
tool
production facility
robot
carrier
facility according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15197503.4A
Other languages
German (de)
English (en)
Other versions
EP3040176A1 (fr
Inventor
Rupert Hune
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Josef Weischer GmbH and Co KG
Original Assignee
Josef Weischer GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Josef Weischer GmbH and Co KG filed Critical Josef Weischer GmbH and Co KG
Priority to PL15197503T priority Critical patent/PL3040176T3/pl
Publication of EP3040176A1 publication Critical patent/EP3040176A1/fr
Application granted granted Critical
Publication of EP3040176B1 publication Critical patent/EP3040176B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/58—Moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
    • B29C31/006—Handling moulds, e.g. between a mould store and a moulding machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/20—Opening, closing or clamping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/34—Moulds or cores; Details thereof or accessories therefor movable, e.g. to or from the moulding station
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/1228—Joining preformed parts by the expanding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/367—Feeding the material to be shaped using spray nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/60—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005—Body finishings
    • B29L2031/3008—Instrument panels

Definitions

  • the invention relates to a production system for producing a component which consists of a molded skin, a carrier and a foam layer arranged between the molded skin and the carrier.
  • Components that consist of a molded skin, a carrier and a foam layer arranged between the molded skin and the carrier can be used, for example, as the dashboard of a motor vehicle.
  • extremely complex production systems which consist of a large number of cost-intensive machine tools, have been used to manufacture such a component.
  • the waiting times are necessary in order to allow the originally liquid foam that was injected into the molded skin to harden so that the carrier and the molded skin can materially bond to one another via the foam layer.
  • polyol and isocyanate react to form polyurethane.
  • the DE 10 2005 003 074 A1 a production system, suitable for the production of an injection-molded component, in which several tools with the same structure are used, each of which consists of a lower tool and an upper tool detachably connected to the lower tool.
  • Each tool is equipped with a locking device for locking and at least one robot controlled by a program has at least one robot arm for moving the entire tool. The tool can be moved between an injection position and a parking position by the robot.
  • the invention is based on the object of providing an overall simplified production system that allows the production of components consisting of a carrier, a molded skin and a foam layer present between the carrier and the molded skin, continuously and as automatically as possible, continuously and as automatically as possible.
  • the advantages of the invention consist in particular in the very compact design of such a production system which can be limited to a narrow space and which also consists of only a few devices and no longer requires numerous machine tools.
  • the principle of "short distances" is used here in particular.
  • An essential aspect of the invention is that at least one program-controlled robot is used, which is used to move the entire tool in the most varied of directions of movement and which also opens and closes the individual tools. It is possible that To separate the upper tool and the lower tool from one another in each direction of movement by means of the robot or to connect them to one another and / or to connect them to one another such that they can pivot about an axis of rotation.
  • a combination of releasable connection and pivotability about an at least virtual axis of rotation is also within the scope of the invention. Since the lower tool and the upper tool are detachably connected to one another in each of the tools used, this means that there are no downtimes. The lower tools or upper tools can in this way be equipped independently of one another and connected to one another as required.
  • the waiting time required for the hardening of the foam layer is used in an obvious way in that the robot moves the closed tool into a parking position for the hardening time. Since the tool change is no longer carried out on a rotary table, but the parking position is used for "temporary storage", there are no more waiting times in the area of the rotary table, as was previously the case.
  • the production plant according to the invention simplifies the work processes overall and the individual stations are connected to one another in a meaningful way, so that process optimization becomes possible.
  • the advantages mentioned can be achieved in particular because a tool flange is arranged on the outside of the upper tool, which enables the entire upper tool and the entire closed tool to be gripped with a robot arm, so that the tool is opened and closed by the robot and between different positions can be moved back and forth within the manufacturing plant.
  • the rotary table has only two or three processing positions.
  • the rotary table is therefore very simple overall and still allows all processing stations that are used for the production of a carrier, a Molded skin and a foam layer arranged between the carrier and molded skin component are required to be provided.
  • This design of the rotary table is a not insignificant aspect of the compact design of the production system.
  • the closed tools which are provided with the molded skin, the carrier and the foam layer, can be brought into the tool magazine in order to remain there in the parking position until the foam layer has completely cured and the component is thus completed. The component thus created can then be removed from the tool.
  • Another advantage of the tool magazine with the existing parking positions is that at least one of the parking positions can be used for a tool change. In the ongoing production process it can happen again and again that individual tools have to be replaced. An additional parking position within the tool magazine is helpful for this. In order to ensure that no downtime in production is required, an additional parking position must be in the Tool magazine are held in order to use this parking position for the mentioned tool change.
  • a special embodiment of the invention is that the production system has two robots, of which a first robot can be used to handle the tool consisting of the lower tool and upper tool and the second robot can be used to apply the foam layer.
  • the second robot is also arranged within the spray booth. In this way, this part of the production plant can be hermetically sealed off and the impairment of the operators working in the area can be reduced to a minimum. Ultimately, this measure is used for occupational safety and the protection of the operators and also enables complete automation of the spraying process.
  • Two different procedures can be selected for equipping the lower tool and the upper tool, which consist in inserting the molded skin into the lower tool manually or by means of a robot and / or inserting the carrier manually or by means of a robot into the upper tool.
  • the use of a robot enables a step towards full automation.
  • the tools are heated to a temperature above room temperature before the foam is injected into the molded skin.
  • electrical heating of the tool has proven to be particularly advantageous, since this can be implemented with relatively little expenditure of energy and in a short time and consequently enables the tool to be heated quickly.
  • the cycle times for manufacturing the component can thus be significantly reduced.
  • a particularly advantageous variant of the production system can be seen in that the molded skin and the carrier are fixed in the respective tool half by means of a pneumatic device that generates a vacuum.
  • This measure reduces the effort involved in equipping the mold halves to a minimum, because an operator or a robot only has to attach the carrier or the molded skin to the respective tool half, while the vacuum sucks in the molded skin or the carrier independently and thus in the im Tool existing cavity is fixed.
  • the production system can be operated electrically as a whole. As a result, as many functions as possible are carried out by means of electrical power, so that a uniform energy carrier is available and the complexity of the entire production system can be reduced.
  • the Figure 1 shows an example of the possibility of executing a tool 5, several of which can be used in a production system according to the invention.
  • the tool 5 is essentially constructed in two parts and consists of a lower tool 6, which is detachably connected to an upper tool 8 and can be pivoted about an axis of rotation 7.
  • the axis of rotation 7 is not a structural axis of rotation, but a virtual axis of rotation 7.
  • a carrier 2 is inserted into a cavity of the upper tool 8, which has the negative shape of the carrier 2 to precisely accommodate it.
  • the carrier 2 there is a molded skin 3 in the lower tool 6, which in turn is inserted with an accurate fit into a cavity 22 having the negative shape of the molded skin.
  • a foam layer 4 made of an originally liquid foam material is applied to the molded skin 3, which after the closing of the tool 5 through its hardening creates a material bond between the carrier 2 and the molded skin 3.
  • the in Figure 1 The component shown is the dashboard for a motor vehicle. Since this component has an undercut 21, the use of a slide 20 is necessary in the tool 5 shown. The slide 20 can therefore be within the Lower tool 6 are moved in the direction of double arrow A, so that slide 20 can be moved back and forth between a position that fixes the molded skin 3 or the finished component and a position that releases it.
  • a special feature of the in Figure 1 The tool 5 shown consists in that a tool flange 23 is arranged on the outside of the upper tool 8, which enables the entire upper tool 8 and the entire closed tool 5 to be gripped with a robot arm, so that the tool 5 is opened and closed by a robot 9 as well overall can be moved back and forth between different positions within the manufacturing system.
  • FIG. 2 shows an embodiment of a complete manufacturing plant 1.
  • the core of this production system 1 are initially two program-controlled robots 9 and 10, each of which is used for different, automated tasks within the production system 1.
  • the robot 9 has a robot arm 11, while the robot 10 is equipped with a robot arm 12.
  • the central processing station of the production system 1 is a rotary table 13 which is equipped with three different positions. These are an assembly position 14, a connection position 15 and an injection position 16. As the term "rotary table” already makes clear, this is rotatable about a central axis of rotation.
  • the method for producing a component which consists of a carrier 2, a molded skin 3 and a foam layer 4 arranged between the carrier 2 and the molded skin 3, proceeds in the present case in such a way that the robot 9 initially moves a lower tool 6.1 from a parking position 18 is removed from a tool magazine 17 and transferred into the loading position 14 of the rotary table 13.
  • the selected lower tool 6.1 can initially be removed from the parking position 18 of the tool magazine 17 in the direction of arrow F and moved in the direction of arrow E via a tool shuttle, so that it is in the The engagement area of the robot 9 arrives.
  • the takeover of the lower tool 6.1 by the robot 9 is in the Figure 2 illustrated by arrow C.
  • the rotary table 13 is rotated clockwise by 120 ° so that the tool 6.1 now comes into the engagement area of a first operator 24 who inserts the molded skin 3 into the lower tool 6.1.
  • the robot 9 is already moving the next tool 6.1 into the loading position 14 of the rotary table 13, so that the process runs continuously.
  • the lower tool, which now has a molded skin 3, is referred to as 6.2 to distinguish it and is subsequently moved into the spraying position 16 by rotating the rotary table 13 again by 120 °, where the second robot 10 is inside the spray booth 19, which is hermetically sealed against the escape of chemical vapors the liquid foam is injected into the molded skin 3.
  • the lower tool After rotating the rotary table 13 again clockwise by 120 °, the lower tool, now designated 6.3 to distinguish it, is in the connection position 15, where it is coupled to an upper tool 8.1 previously equipped with a carrier 2 by a second operator 24.
  • the tool 5 After the connection of the upper tool 8.1 and the lower tool 6.3, the tool 5 is closed by the upper tool 8.1 being pivoted about the virtual axis of rotation 7 and by means of the illustration in FIG Figure 2 Not shown locking elements is fixed in a closed state. Clamping modules can be used as locking elements.
  • these activities are also carried out by the robot 9, which then delivers the closed tool 5 in the direction of the arrow D so that it can be transferred via the tool shuttle in the direction of the arrow E to a parking position 18 of the tool magazine 17, where the Foam layer 4 hardens and thus establishes the integral connection between the carrier 2 and the molded skin 3.
  • the entire tool 5 can be brought back onto the rotary table 13 in order to be opened by the robot 9, so that the finished component can be removed by the robot 9 or by the Operator 24 is possible. After a brief cleaning of the tool 5, it can then be made available immediately for the next production process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Robotics (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Claims (10)

  1. Installation de production (1), appropriée pour la fabrication d'un composant au moyen d'un raccordement par liaison de matière entre un support (2), une peau moulée (3) et une couche de mousse (4) disposée entre le support (2) et la peau moulée (3), qui présente les caractéristiques suivantes :
    - plusieurs outils (5) de structure identique,
    - chacun des outils (5) se compose d'un outil inférieur (6) et d'un outil supérieur (8) raccordé à l'outil inférieur (6) de façon détachable et/ou de façon pivotante autour d'un axe de rotation (7),
    - respectivement, en l'occurrence, l'outil supérieur (8) est approprié pour la réception d'un support (2), et l'outil inférieur (6) pour l'introduction d'une peau moulée (3), une couche de mousse (4) auto-durcissante, initialement liquide, étant appliquée sur la peau moulée (3), et le support (2), la peau moulée (3) et la couche de mousse (4) pouvant être raccordés entre eux par la fermeture de l'outil (5),
    - chaque outil (5) est équipé d'un équipement de verrouillage pour la fermeture,
    - au moins un robot (9, 10) commandé par un programme dispose d'au moins un bras de robot (11, 12) pour le déplacement de la totalité de l'outil (5),
    - une table ronde (13) rotative peut, dans une position d'équipement (14), être équipée par le robot (9, 10) d'un outil inférieur (6) muni de la peau moulée (3),
    - une position de pulvérisation (16) de la table ronde (13), pour l'application de la couche de mousse (4) sur la peau moulée (3),
    - dans une position de raccordement (15) de la table ronde (13), l'outil inférieur (6) peut être raccordé à un outil supérieur (8) contenant le support (2) et être fermé,
    - la totalité de l'outil (5) fermé par le robot (9, 10) peut être déplacée de façon alternée entre la table ronde (13) et une position de stationnement (14), une bride d'outil (23) étant disposée pour cela sur l'outil supérieur (8), du côté extérieur.
  2. Installation de production selon la revendication 1,
    caractérisée en ce que la table ronde (13) ne comporte que deux ou trois positions d'usinage (14, 15, 16).
  3. Installation de production selon l'une des revendications citées précédemment,
    caractérisée
    par la présence de plusieurs positions de stationnement (18)
    à l'intérieur d'un magasin d'outils (17) de l'installation de production (1).
  4. Installation de production selon la revendication 3,
    caractérisée en ce
    qu'au moins une des positions de stationnement (18) peut être utilisée pour un changement d'outil.
  5. Installation de production selon l'une des revendications citées précédemment,
    caractérisée en ce que
    l'installation de production (1) comporte deux robots (9, 10) dont un premier robot (9) peut être utilisé pour la manipulation de l'outil (5) composé de l'outil inférieur (6) et de l'outil supérieur (8), et le deuxième robot (10) peut être utilisé pour l'application de la couche de mousse (4).
  6. Installation de production selon la revendication 5,
    caractérisée en ce que
    le deuxième robot (10) est disposé à l'intérieur d'une cabine de pulvérisation (19).
  7. Installation de production selon l'une des revendications citées précédemment,
    caractérisée
    par la présence d'un robot configuré pour l'insertion de la peau moulée (3) dans l'outil inférieur (6) et/ou du support (2) dans l'outil supérieur (8).
  8. Installation de production selon l'une des revendications citées précédemment,
    caractérisée en ce que
    les outils (5) peuvent être chauffés électriquement.
  9. Installation de production selon l'une des revendications citées précédemment,
    caractérisée
    par la présence d'un équipement pneumatique produisant du vide dans la moitié d'outil (6, 8) respective pour la fixation de la peau moulée (3) et du support (2).
  10. Installation de production selon l'une des revendications citées précédemment,
    caractérisée en ce que
    l'installation de production (1) peut être opérée entièrement de façon électrique.
EP15197503.4A 2014-12-19 2015-12-02 Installation de fabrication Active EP3040176B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15197503T PL3040176T3 (pl) 2014-12-19 2015-12-02 Instalacja produkcyjna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202014106196.7U DE202014106196U1 (de) 2014-12-19 2014-12-19 Fertigungsanlage

Publications (2)

Publication Number Publication Date
EP3040176A1 EP3040176A1 (fr) 2016-07-06
EP3040176B1 true EP3040176B1 (fr) 2020-11-04

Family

ID=52470985

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15197503.4A Active EP3040176B1 (fr) 2014-12-19 2015-12-02 Installation de fabrication

Country Status (3)

Country Link
EP (1) EP3040176B1 (fr)
DE (1) DE202014106196U1 (fr)
PL (1) PL3040176T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016120788A1 (de) 2016-11-01 2018-05-03 Josef Weischer GmbH & Co. KG Werkzeugträger und Fertigungsanlage mit einem derartigen Werkzeugträger
DE102016120784A1 (de) 2016-11-01 2018-05-03 Josef Weischer GmbH & Co. KG Verfahren zur Herstellung von Verbundwerkstücken und Fertigungsanlage zur Anwendung der Verfahren
CN106626212A (zh) * 2017-01-18 2017-05-10 安徽信盟机电装备制造有限公司 一种带自动换模机构的箱体发泡设备
DE202017101352U1 (de) 2017-03-09 2017-04-10 Josef Weischer GmbH & Co. KG Fertigungseinheit zur Herstellung von Formschaumteilen und Fertigungsanlage mit wenigstens einer derartigen Fertigungseinheit
DE102019120104A1 (de) * 2019-07-25 2021-01-28 Webasto SE System und Verfahren zum Bearbeiten plattenförmiger Werkstücke für ein Kraftfahrzeug
DE102020109203A1 (de) * 2020-04-02 2021-10-07 STG Stanztechnik GmbH & Co. KG Spritzgusssystem und Verfahren zur Herstellung von Formteilen aus spritzfähigen Formmassen

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DE1629746A1 (de) * 1967-04-21 1971-02-04 Desma Werke Gmbh Spritzgiessanlage mit auswechselbaren Spritzgiessformen
IT1298536B1 (it) * 1998-02-03 2000-01-12 Ulysses Injection S R L Macchina per lo stampaggio ad iniezione di tipo transfer-rotativo
DE102005003074B4 (de) * 2005-01-22 2007-11-22 Zahoransky Gmbh Formen-Und Werkzeugbau Spritzgießmaschine
SM200700008B (it) * 2007-03-01 2009-11-06 Ipotenusa S R L Impianto perfezionato per la produzione per iniezione di prodotti in materiale plastico espanso, quale eva, in particolare suole oppure prodotti in generale con caratteristiche di leggerezza e comfort
DE102008035947B4 (de) * 2008-07-31 2015-03-26 Kraussmaffei Technologies Gmbh Verfahren zur Herstellung eines Produktes aus reaktiven Ausgangsstoffen

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Title
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Also Published As

Publication number Publication date
EP3040176A1 (fr) 2016-07-06
PL3040176T3 (pl) 2022-07-11
DE202014106196U1 (de) 2015-01-26

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